JPH1166402A - Automatic vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the occurrence of electric shock or electric leak accident in the case of damages on defogging glass by stopping power to a film heater of defogging glass consisting of a door when the value of a current flowing to the heater gets lower than a prescribed value. SOLUTION: The window of a door 4 on the front face of an automatic vending machine is composed of front glass 5, film heater 7 stuck on the inner surface of that glass, and rear glass 6 arranged away from the front glass 5, and constituted so as to see through commodity on a commodity rack well by preventing dewing by heating the front glass 5 while electrifying the heater 7 through a controller. When a current flowing to the heater 7 gets lower than the prescribed value, the controller judges the occurrence of a fault and stops power to the heater 7. Thus, even when the defogging glass is damaged, the occurrence of electric shock or electric leak accident can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an outer box having one open side, wherein an inner box having one open side is accommodated with the open surface facing the same direction as the open surface of the outer box. An inner box is provided with a product shelf on which products are placed, a product delivery device that pays out the products placed on the product shelf from the product shelf, and a product transport device that transports the product delivered from the product shelf to the product outlet. A swinging door is disposed inside the door and covers the open ends of the outer box and the inner box, and a part of the door is double-glazed so that the goods on the goods shelf can be visually recognized from the outside. The present invention relates to a vending machine composed of anti-fog glass having a plate and a film-like heater attached to a glass plate.

[0002]

2. Description of the Related Art In the above-mentioned vending machine, a film-shaped heater made of anti-fog glass is always energized to prevent dew condensation on a door glass due to a difference between an inner box temperature and an outside air temperature.

[0003]

If the film-shaped heater of the anti-fog glass is always energized, there is a possibility that an electric shock accident or an electric leakage accident will occur if the anti-fog glass is broken for some reason. . The present invention has been made in view of the above-described problem, and an inner box having one open side faces an open box of one side in the same direction as an open surface of the outer box in an outer box having one open side. A product shelf for storing and placing products, a product dispensing device for dispensing the products placed on the product shelf from the product shelf,
A product transport device for transporting the products dispensed from the product shelf to the product outlet is disposed in the inner box, and a swinging door that covers the outer box and the open end of the inner box is disposed, and a A vending machine comprising an anti-fog glass having a double glass plate and a film heater attached to the glass plate so that a part of a door can be visually recognized on a product shelf. It is another object of the present invention to provide a vending machine which does not cause an electric shock accident or an electric leakage accident even if the anti-fog glass is broken.

[0004]

In order to solve the above-mentioned problems, according to the present invention, an outer box having one side opened is provided.
An inner box with one side opened is housed with the open side facing the same direction as the open side of the outer box, and a product shelf on which the product is placed and a product placed on the product shelf are paid from the product shelf. A product dispensing device for dispensing products and a product transport device for transporting products dispensed from a product shelf to a product outlet are disposed in the inner box, and a swinging door that covers the open ends of the outer box and the inner box is provided. A part of the door is made of an anti-fog glass having a double glass plate and a film heater attached to the glass plate so that the product on the product shelf can be visually recognized from the outside. There is provided a vending machine comprising a power supply control device for stopping power supply to a film-shaped heater when a current value flowing through the film-shaped heater becomes less than a predetermined value. When the anti-fog gas is broken and a part of the film heater breaks, the electric resistance of the film heater increases, and the current flowing through the film heater decreases. In the vending machine according to the present invention, when the value of the current flowing through the film heater becomes less than the predetermined value, the power supply control device determines that the anti-fog glass is broken and stops supplying power to the film heater. Therefore, even if the anti-fog glass is broken, there is no possibility that an electric shock accident or an electric leakage accident will occur.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A vending machine according to an embodiment of the present invention will be described with reference to FIGS. In the following description,
The directions of arrows I, II, III, IV, V, and VI in FIGS. 1 to 3 are referred to as forward, rearward, leftward, rightward, upward, and downward. As shown in FIGS. 1 and 2, a vending machine A according to the present embodiment includes:
An outer box 1 having an open front is provided. An inner box 2 having an open front is disposed in an outer box 1. The front face of the inner box 2 is positioned close to the front face of the outer box 1. The inner box 2 is heat-insulated. An opening 2 a is formed in the lower part of the right side wall of the inner box 2. First between the inner box 2 and the right side wall of the outer box 1
A machine room 3a is formed, and a second machine room 3b is formed between the inner box 2 and the bottom wall of the outer box 1. A swingable door 4 having a transparent window is attached to the front of the outer box 1 and covers the open front of the outer box 1 and the open front of the inner box 2. As shown in FIG. 3, the transparent window of the door 4 is composed of a front glass 5, a rear glass 6 disposed at a distance from the front glass 5, and a film attached to the inner surface of the front glass 5. It is made of anti-fog glass having a heater 7. The energization of the film heater 7 of the anti-fog glass is
It is controlled by a power supply control device (not shown). The value of the current flowing through the film-shaped heater 7 is detected by current detection means (not shown). A panel 8 that covers the first and second machine rooms 3a and 3b is detachably attached to the front surface of the outer box 1. A product outlet 8a is formed in the lower right part of the panel 8. A product selection button (not shown) is attached to an upper portion of the panel 8 facing the first machine room 3a.

[0006] In the inner box 2, 7
Commodity shelves 9 stacked in tiers are provided. Each product shelf 9
, Commodities 200 are placed in a plurality of commodity rows 100 extending back and forth. Above each product row 100 placed on the uppermost product shelf 9, a product delivery constituted by an endless belt extending forward and backward, a motor for rotating and driving the endless belt, and a pressing piece fixed to the endless belt. Apparatus 10
Are arranged. Each product shelf 9 excluding the topmost product shelf 9
An endless belt extending forward and backward, a motor for rotating and driving the endless belt, and a pressing piece fixed to the endless belt are provided above each product row 100 and below the product shelf 9 immediately above. A product dispensing device 10 is provided. At the front end of each product shelf 9, facing each product row 100,
A product stopper 11 is attached. The product stopper 11 is in an upright position and a counterclockwise direction when viewed from the right.
It is mounted so that it can swing between a position where it has fallen by 80 degrees. The product stopper 11 stands upright when there is no load due to the urging force of a spring (not shown).

[0007] Between the front end of the shelf 9 and the open end of the inner box 2, there is provided a vertically movable goods tray and a goods vertical drive device 12 comprising a tray drive device. A conveyor 13 extending left and right is disposed between the front end of the product shelf 9 and the open end of the inner box 2 and below the lowermost product shelf 9.

A not-shown coin counter, a coin locker, various control devices, and the like are disposed in an upper portion and a center portion in the height direction of the first machine room 3a, and a not-shown commodity receiving device is provided below and below the inner box opening 2a. Shelf is provided. A compressor and a condenser of a cooling device (not shown) are provided in the second machine room 3b, and an evaporator is provided below the lowermost shelf 9 in the inner box 2.

The operation of the vending machine A will be described. The user who purchases the product enters the product 20 inside through the transparent window of the door 4.
0, a desired commodity 200 is selected, and then a coin is inserted through a coin insertion slot (not shown) formed on the panel 8, and a commodity selection button is pressed, and a commodity row 100 constituted by the desired commodity 200 and the commodity The product shelf 9 on which the row 100 is placed is designated. The commodity vertical transport device 12 is operated, and the tray is lowered from the initial position above the uppermost commodity shelf 9, and is slightly smaller than the commodity shelf 9 on which the commodity row 100 constituted by the desired commodity 200 is placed. At a lower level.

When the receiving tray stops at a position slightly lower than the product shelf 9 on which the product row 100 composed of the desired products 200 is placed, the product delivery device 10 immediately above the product row 100 operates. Then, the pressing piece that comes into contact with the product 200 located at the rear end of the product row 100 from behind is the product 1
The product is moved forward by a distance corresponding to the product and the product row 100 is pushed forward by a distance corresponding to one product. The foremost product 200 pushes down the upright product stopper 11 against the spring force of urging the product stopper 11 and falls from the front edge of the product shelf 9. The dropped commodity 200 is transferred to the commodity vertical transport device 12.
Received by the saucer. The product 20 is transferred from the product shelf 9 to the product vertical transport device 12 by a detection device (not shown).
It is detected that 0 has been paid out.

After it is detected that the commodity 200 has been delivered from the commodity shelf 9 to the commodity vertical transportation apparatus 12, the commodity vertical transportation apparatus 12 is operated, and the tray is lowered with the commodity 200 placed thereon. The tray stops when it descends to a position slightly above the second shelf 9 from the bottom, and rotates around a horizontal axis to drop the article 200 onto the conveyor 13.

The product vertical transport device 12 is operated, and the tray is raised to the initial position. When the tray reaches the initial position, the commodity vertical transport device 12 stops operating.

The commodity 200 that has fallen from the tray is received by the conveyor 13. The conveyor 13 operates, and conveys the goods 200 toward the opening 2a. Product 20
Numeral 0 passes through the opening 2a and falls on a product receiving shelf disposed below the opening 2a. The user takes out the product 200 on the product receiving shelf through the product outlet 8a.

A product 200 placed on the lowermost product shelf 9
Alternatively, the commodity 200 placed on the commodity shelf 9 in the second tier from the bottom
Is selected, the goods 200 dispensed from the product shelf 9 by the commodity dispensing device 10 can be directly transferred to the conveyor 13 without passing through the tray of the commodity vertical transport device 12.
It falls down, is conveyed to the goods receiving shelf by the conveyor 13, and is taken out through the goods take-out opening 8a.

In the vending machine A, the inside of the inner box 2 is cooled. The transparent window of the door 4 is the front glass 5
Rear glass 6 arranged at a distance from front glass 5
And a film-shaped heater 7 attached to the inner surface of the front glass 5, and the film-shaped heater 7 is energized by an unillustrated energization control device to heat the front glass 5. In addition, a situation does not occur in which the front of the anti-fog glass condenses and the prospect of the commodity 200 on the commodity shelf 9 deteriorates. When the value of the current flowing through the film heater 7 becomes less than a predetermined value, the power supply control device determines that the anti-fog glass is broken and stops the power supply to the film heater 7. There is no risk of electric shock or earth leakage even if it is damaged.

[0016]

As described above, in the vending machine according to the present invention, when the current value flowing through the film-shaped heater of the anti-fog glass constituting a part of the door becomes less than a predetermined value,
The energization control device determines that the anti-fog glass has been damaged and stops energizing the film heater.Therefore, even if the anti-fog glass is damaged for any reason, there is a risk that an electric shock accident or an electric leakage accident will occur. There is no.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vending machine according to an embodiment of the present invention.

FIG. 2 is a side view of the vending machine of FIG. 1 with the right side wall of the outer box and the right side wall of the inner box removed, as viewed from the right side.

FIG. 3 is a sectional view of an anti-fog glass constituting a transparent window of a door of the vending machine of FIG. 1;

[Explanation of symbols]

 A Vending machine 1 Outer box 2 Inner box 4 Door 5 Front glass 6 Rear glass 7 Film heater 9 Product shelf 10 Product delivery device 12 Product vertical transport device 13 Conveyor

Claims (1)

[Claims] 1. An article having an inner box with one side open and housed in an outer box with one side open with the open side facing the same direction as the open side of the outer box, and a product placed thereon. A shelf, a product delivery device that pays out products placed on the product shelf from the product shelf, and a product transport device that transports the product delivered from the product shelf to a product outlet, are disposed in the inner box, A swinging door that covers the open ends of the outer box and the inner box is provided, and a part of the door is attached to a double glass plate and a glass plate so that the products on the product shelf can be viewed from the outside. A vending machine comprising an anti-fog glass having a film heater attached thereto, wherein power supply control for stopping power supply to the film heater when a current value flowing through the film heater becomes less than a predetermined value. A vending machine comprising a device.